bantuin ya plisss pake Cara ya Cari luas

L = 1/2 x (a + b) x t
L = 1/2 x (20 + 28) x 12
L = 48 x 6
L = 288 cm²

luas trapesium = 1/2 x (a + b) x t
= 1/2 x ( 20 + 28) x 12
= 1/2 x 48 x 12
= 24 x 12
=288 cm²